Cheapest return flights from Singapore to Kathmandu in September from 328€

AirHint found the following cheapest return flights from Singapore (SIN) to Kathmandu (KTM) in September 2026 (see full year).

Return flights

20 Sep - 30 Sep SriLankan Airlines
12 Sep - 19 Sep Cathay Pacific
20 Sep - 25 Sep Cathay Pacific
21 Sep - 25 Sep Cathay Pacific
21 Sep - 30 Sep Cathay Pacific
21 Sep - 01 Oct Air India
19 Sep - 25 Sep Air India
21 Sep - 30 Sep Singapore Airlines direct
21 Sep - 25 Sep Singapore Airlines direct
20 Sep - 25 Sep Singapore Airlines direct
20 Sep - 30 Sep Singapore Airlines direct
21 Sep - 01 Oct Singapore Airlines direct

Also check the deals for one-way flights from Singapore to Kathmandu in September.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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